Palmyra, MO Weather & Growing Conditions
Overnight
73°F
Mostly Cloudy
Mostly cloudy, with a low around 73. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Mostly Cloudy | 5 mph S | 6% |
| Saturday | 92°F | Mostly Cloudy | 5 to 8 mph SW | 6% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 3 mph W | 52% |
| Sunday | 79°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 to 7 mph NW | 51% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph NE | 74% |
| Monday | 67°F | Showers And Thunderstorms Likely | 7 to 10 mph NE | 74% |
| Monday Night | 56°F | Chance Rain Showers | 6 to 9 mph NE | 29% |
| Tuesday | 64°F | Chance Rain Showers | 9 mph NE | 26% |
| Tuesday Night | 51°F | Partly Cloudy | 3 to 7 mph NE | 4% |
| Wednesday | 68°F | Mostly Sunny | 6 mph N | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 1 to 5 mph NE | 1% |
| Thursday | 71°F | Partly Sunny | 5 mph NE | 5% |
| Thursday Night | 56°F | Mostly Cloudy | 3 mph NE | 6% |
| Friday | 72°F | Partly Sunny | 5 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Palmyra, MO
Last spring frost
Apr 8
First fall frost
Oct 30
Growing season
204 days
Hardiness zone
6a
Explore more for Palmyra, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Quincy Dam 21, Il (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.